GAIA Exploring Sound (PDF) - Roland Corporation Australia

One solution would be to find some smaller blocks!
Figure 10.25 300mm blocks
Sampling
This is the whole concept of digital sampling. A digital device
deals only in numbers. In order for this device to recreate a Sine
wave, for example, it must use digital “blocks” much like in Figure
10.25.
It cannot simply draw a line and have a Sine wave. It must “draw”
the shape one step (block) at a time. The width of the blocks is
like a measurement of time; how often can it draw a part of the
wave shape? This is called the sampling rate.
The height of the blocks is governed by the power of the sampler.
How accurate can each measurement be? How many bits of
information may I use to measure the shape?
Assuming you were lucky enough to find another pile of 300mm
blocks, you can now see that the animal has far less chance of
escaping. Why? Because the smaller blocks have allowed you to
make a better copy of the shape of the cave entrance.
Safe at last!
Actually, you are safe for two reasons. One, because the blocks
weren’t as wide. The other because they weren’t as high. You
could have simply chosen blocks that were 300mm high by 1m
wide. Or the other way around.
Sampled Sounds with Bit Crash Effect
This is what Bit Crash can achieve. Instead of making a perfect
“drawing” of the wave shape, you can decide to use a lower
sampling rate, and/or use less bits of information. Both methods
will make a less accurate representation of the wave shape. A
type of distorted shape will result.
This can result in quite a nasty sound, so the GAIA includes a
dedicated Filter in the Bit Crash effect in order to smooth out the
sound.
For a great example please try Preset Patch B-8, where the Bit
Crash effect creates a vocal sound!
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